Enveloppe

An Enveloppe (envelope) called

• in mathematics a curve that envelops a set of curves . This means that the envelope touches each coulter curve once. See envelope
• in aviation the possible operating range of a missile, see flight envelope
• in astronomy the shell (coma) around the rock core of a comet
• In the fortress construction, a second line of ramparts of a fortress formed by contiguous outer works or only separated from one another by narrow gaps
• an alternative word for letter envelope
• narrow, coat-like dress worn at the beginning of the 19th century

This is a disambiguation page for differentiating between several terms identified with the same word.